Universal Gravitation, Coulomb's Law, and Charged particles

Which is the subatomic particle with a negative charge?

• electron
• proton
• atom

• neutron

Which subatomic particle has a positive charge?

• Neutron

• Atom

• Proton

• Electron

According to Newton's Law of Universal Gravitation, as the distance between 2 objects increases, the gravitational attraction between the 2 objects...

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NGSS.HS-PS2-4

What does the symbol "G" represent in Newton's Law of Universal Gravitation?

• Gravity

• Gravitational constant

• Gravitational variable

• Gravitational force

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NGSS.HS-PS2-4

What does Coulomb's Law state?

• Coulomb's Law only applies to neutral objects
• The force between charged objects is directly proportional to the distance between them
• The electrostatic force between two charged objects is directly proportional to the product of their charges and inversely proportional to the square of the distance between them

• The force between charged objects is inversely proportional to the product of their charges

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NGSS.HS-PS2-4

What does the symbol "k" represent in Coulomb's Law?

• Net charge

• Average Coulombs

• Constant charge

• Coulomb's constant

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NGSS.HS-PS2-4

What is an electric field?

• An electric field is a region where gravity is stronger than electromagnetic forces.
• An electric field is a region where magnetic forces are present.
• An electric field is a region where only neutral objects are affected.
• An electric field is a region around a charged particle where another object experiences a force.

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NGSS.HS-PS3-5

The intensity of the electric field increases with distance from the field source.

• True

• False

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NGSS.HS-PS2-4

Like charges (+ and + OR - and -) repel one another. Opposite charges (+ and -) attract one another.

• True

• False

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NGSS.HS-PS2-4

NGSS.HS-PS3-5

Repulsion means to force away or the tendency to want to be separated.

• True

• False

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NGSS.HS-PS2-4